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  2. Hormonal contraception - Wikipedia

    en.wikipedia.org/wiki/Hormonal_contraception

    Hormonal contraception refers to birth control methods that act on the endocrine system. Almost all methods are composed of steroid hormones, although in India one selective estrogen receptor modulator is marketed as a contraceptive. The original hormonal method—the combined oral contraceptive pill—was first marketed as a contraceptive in ...

  3. Birth control - Wikipedia

    en.wikipedia.org/wiki/Birth_control

    Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]

  4. Comparison of birth control methods - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_birth...

    Many hormonal methods of birth control, and LAM require a moderate level of thoughtfulness. For many hormonal methods, clinic visits must be made every three months to a year to renew the prescription. The pill must be taken every day, the patch must be reapplied weekly, or the ring must be replaced monthly. Injections are required every 12 weeks.

  5. Combined oral contraceptive pill - Wikipedia

    en.wikipedia.org/wiki/Combined_oral...

    The distinctive feature of hormonal oral contraceptives when compared to other contraceptive methods is that they are less invasive and do not interfere with sex. [39] Conclusive data suggest that the failure rate of contraception in using hormonal oral contraceptives for the first year is 9% in typical use which allows missed doses , and <1% ...

  6. Calendar-based contraceptive methods - Wikipedia

    en.wikipedia.org/wiki/Calendar-based...

    Various methods are known as the Knaus–Ogino method and the rhythm method. The standard days method is also considered a calendar-based method, because when using it, a woman tracks the days of her menstrual cycle without observing her physical fertility signs. The standard days method is based on a fixed formula taking into consideration the ...

  7. Combined hormonal contraception - Wikipedia

    en.wikipedia.org/.../Combined_hormonal_contraception

    Combined hormonal contraception (CHC), or combined birth control, is a form of hormonal contraception which combines both an estrogen and a progestogen in varying formulations. [ 1 ] [ 2 ] The different types available include the pill , the patch and the vaginal ring , which are all widely available, [ 3 ] and an injection , which is available ...

  8. Contraceptive implant - Wikipedia

    en.wikipedia.org/wiki/Contraceptive_implant

    A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.

  9. Combined injectable birth control - Wikipedia

    en.wikipedia.org/wiki/Combined_injectable_birth...

    Hormonal contraception works primarily by preventing ovulation, but it may also thicken the cervical mucus inhibiting sperm penetration. [ 3 ] [ 4 ] [ 5 ] Hormonal contraceptives also have effects on the endometrium, [ 6 ] [ 7 ] that theoretically could affect implantation.

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